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Old 12-06-2010, 07:02 PM   Thread Starter #1
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Default Unknown Brake Grinding

Got a problem i think... Ive been getting this grinding noise when i brake it use to be only during the beginning of my day and over in 30 mins. but today its been all damn day i don't know what could it be i checked my brakes my rotors and fluid....its was usually cold in the morning and today was 30 degrees all day anybody ran in to this issue cause i wanna make sure i don't have a bigger problem and what can i do to stop it

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Old 12-06-2010, 08:22 PM   #2
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Default Re: Unknown Brake Grinding

you jack the car up and turn the rotors by hand ? and no grinding ?

sounds like your pads are worn, the grinding sound could be the brake pads down to metal and its grabbing the rotors.

on a cold day with the wheels off, feel the face of the rotor if its cut deep, check the pads visual if its done.
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Old 12-06-2010, 09:12 PM   #3
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Default Re: Unknown Brake Grinding

Have you pulled the brakes apart and checked them yet? You need to actually pull the pads out of the calipers and take a look at them. Also, check your dust shield, and make sure it's not bent into the rotor.
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Old 12-06-2010, 11:40 PM   Thread Starter #4
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Default Re: Unknown Brake Grinding

No cuts in the rotors brakes are new just got the car 2 months ago...new thing i just washed the salt off the car and it stopped for 10 mins it has to do with the current conditions
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Old 12-07-2010, 12:22 AM   #5
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Default Re: Unknown Brake Grinding

^^ sounds like that snow/dirt has gotten in between the rotors and pads to make it grind..

Ive never lived in a snow climate so its only a theory since this dont happen in FL,

I wondering if the temp is cold enough to make the pistons inside the caliber to freeze up until warming temps.

I know Brake fluid has a boiling point but Ive never check for a freezing point ( obiviously) but since youve pinpoint the weather.. Snow mainly , this could be your issue
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Old 12-07-2010, 12:36 AM   #6
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Default Re: Unknown Brake Grinding

If you have a lot of precipitation, and the weather is hovering between freezing, and above freezing, then you probably are getting rust build up on the rotors due to the weather.
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Old 12-07-2010, 09:06 AM   #7
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Default Re: Unknown Brake Grinding

Sounds more like a bearing. If u checked the pads n rotors n theres no problem there, it may be ur bearing. Front or rear?
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Old 12-07-2010, 09:32 AM   #8
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Default Re: Unknown Brake Grinding

Sounds fatal... might have to put'er down

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Old 12-07-2010, 09:51 AM   #9
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Default Re: Unknown Brake Grinding

i have seen this before. i would check too make sure the shims were installed on the back of the pads. so much metal in some of these pads it can make it sound like brakes are metal to metal.if your noise is only there during braking.
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Old 12-07-2010, 10:52 AM   #10
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Default Re: Unknown Brake Grinding

Originally Posted by Mr DoLLa View Post
Sounds more like a bearing. If u checked the pads n rotors n theres no problem there, it may be ur bearing. Front or rear?
Raul,

If it was the bearings, wouldn't the noise be constant? He's saying it comes and goes. Almost sounds like oxidation caused by moisture.
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Old 12-21-2010, 07:12 PM   Thread Starter #11
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Default Re: Unknown Brake Grinding

took it where i got the car from cracked pad so the replace all of the rotors and pads for 100 bucks....
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Old 12-22-2010, 08:48 AM   #12
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Default Re: Unknown Brake Grinding

Originally Posted by 1hawaii50 View Post
Raul,

If it was the bearings, wouldn't the noise be constant? He's saying it comes and goes. Almost sounds like oxidation caused by moisture.
It can come n go depending how bad the bearing is. I replaced a caliper, pads n the rotors cuz I didnt bother to look into it. It was the bearing lol.
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